The WR1123 replaces the W1122(sku#113223). A high mileage trainer for the runner who requires maximum motion control and cushioning. ABZORB FL offers excellent cushioning and compression set properties. A blend of DuPont Engage Isoprene rubber and proprietary materials provides the ultimate ride. ABZORB SBS in heel and forefoot provide optimal shock absorption and no compression set. N-LOCK integrated lacing and webbing system delivers the optimal fit, support and security. ROLLBAR GR. Multi-density insert. Suede overlays for additional comfort. Single density PU post. 360 degree reflectivity. Blown rubber outsole is lightweight and cushioned. N-DURANCE crash pad. SL-2 last.